Name
Chapter 3 Test
1. Find the Derivative
A. 4x3 + 3x B. 5 C.4Öx D. -1 . E. 1 .
G. ln 3x - 7 H. 5x3 sin x I. 26x | J. 4 6x + 1 K. cos x
3x + 6
|
A) 5x7 + 3x6 – x5 + 2x4 + 3x2 – 12
B) cos 3x
3. Find the equation of the tangent line at P.
- y = 3x2 P = (1,3)
- y = 2x – 4 . P = (4,6)
Öx
4. Find where the slope of the tangent line to y = x3 - 3x2 is 0.
5. A spherical balloon's radius is increasing as it is inflated. Find how fast its volume is increasing with respect to the radius at r = 10 cm.
6. An athlete's position on a field is determined by the equation 100 + 25t – 5t2. Find when his velocity is 0.
7. You are the director of an action movie. In one scene, a stunt man is launched from a catapult such that his height above ground at any time is given by -16t2 + 48t + 64. You will need to set up the cameras to catch appropriate moments in his flight. Find…
- When he gets to highest point and how high he is.
- When he hit's the ground, and how fast he's going when he gets there.
- How high up he is when he's launched, and with what velocity he is launched.
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